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Oycka.~\                                FLORA INDICA.                                    201
This genus, twhich was originally proposed and characterized by Arnott, fit Wight's
t Illustrations/ has been adopted by Mr. Miers, and appears very natural. It is at
once distinguished from Stepkania by the paniculate inflorescence. The characters,
of the female'-flowers are not yet perfectly ascertained, as we have only been able to
examine thqse of C. Burmanni and C. populifolia in a very advanced state, in which
they appear to us to present the characters given above. The putamen differs from
that of Cissampelos and Stephania, precisely as do those of JAmada and Cocculus
from one another. Ehaptonieris appears to diifer chiefly in the number of parts, and
is therefore not tenable as a genus. The degree of combination of the petals varies
so much even in the same species, that we cannot venture to employ it as a generic
character.
In tyclea populifolia a portion of stem, of five or six years* growth, and half an
inch in diameter, is soft, with a spongy bark, rather small pith, and sixteen, rather
narrow wood-wedges. Pith of elongated delicate cells, superimposed by their square
apices, and full of starch. Medullary rays of mural cells*, Wood-wedges (on a
transverse section) liaear-clavate, of much dotted pleurenchyma, and large vessels
with transverse bars and gashes. Liber-bundles free from the wood, rather small,
and apparently not increasing after the first year. Bark of soft hexagonal cellular
tissue, surrounded by several dense layers of radially compressed cells. The wood of
the other species is very similar.
1.  C. Burmanni (Miers, in Taylor's Annals, 1. c., non Arnott);
foliis peltatis elougato-deltoideis acuminatis basi cordati* sagittato-
lobatis, lobis rotundatis,* margine subrepandis, calyce inflate subglo-
boso 6-8-lobb, corolla dinnidio minore urceolata vix lobata.—Cocculus
Burmanni, DC. Syst. i. 517, Prod. i. 96.    Clypea Burmanni, 7?~. et A.
Ptod. ex parte.—Burw. ZeyL t. 101.
. HAB. InZeylania, JFalker! (prope Peradenia, alt. 2600 ped., Gard-
ner /) Concan, Gibson! Stocks!—(v. s.)
*Trutex scandens. Cavles sulcati, pilosrasculi vel glabrescenCeb. Folia tenuiter
coriacea, iis C. peltate longiora et angustiora, supra nitida, subtus dense pubesceniia
vel rarius subglabra, 2-4 poll, longs, basi |—2 poll, lata, petiolo 4-14-pollicari,
Paniculfs folia sequantes vel longe saperantes, laze ramoste, multiflorte, pubescentes.
flores masculi iis C. peltate duplo majores, subglobosi, hispiduli.
This species is readily distinguished from the' next by the shape and size of the
male flowers, but much, confusion exists in the synonymy of the two. 'Wight and
Arnott distributed specimens of both, but their description (of the flower at least)
seems to have been taken entirely from the next. Burmann's plate, however, corre^
spends in foliage with the present species, and though the 'flowers are represented
much smaller, they are described as 6-fid. We have therefore followed .Mr. Miers
in referring Buraann's figure to the plant described above. A. fragment of C. Bur-
manni exists in the Wallichian Herbarium at the Linnean Society, under No*. 4982,
collected by Heyne, and communicated by Wight, whose own specimens belong to
the next species, under which, therefore, we have quoted Wallich's synonym. As
the characters derived from the shape of the leaves, cannot be considered cettuin
till confirmed by careful study of the living plant, we do not describe in detail the
female plant, though we have a specimen before ua from Ceylon which agrees in
foliage with the mate, and is therefore probably referable here. Judging from this
specimen', the female inflorescence does not differ from that of C. peltata.
2.  C. peltata (H.f. et T.); foliis peltatis deltoideis basi subcor-
datis, petalis calyce campanulato 4-lobo dimidio brevioribus in cyathum
irregulariter 4-lobum coalitis.—Menispermum peltatum, Lam,    Coc-
culus peltatus, DO. Sy*t. i. 516, Prod. i. 96.    Cissauipelos discolor,
Cat. 4982 1 (ex parti), non DC. nee Slume.    C. barbata,
2 B